postgresql-9.5 (9.5.5-0ubuntu0.16.04) xenial-proposed; urgency=medium
* New upstream bug fix release (LP: #1637236)
- Fix WAL-logging of truncation of relation free space maps and visibility
It was possible for these files to not be correctly restored during
crash recovery, or to be written incorrectly on a standby server. Bogus
entries in a free space map could lead to attempts to access pages that
have been truncated away from the relation itself, typically producing
errors like "could not read block XXX: read only 0 of 8192 bytes".
Checksum failures in the visibility map are also possible, if
checksumming is enabled.
Procedures for determining whether there is a problem and repairing it
if so are discussed at
- Details about other changes:
Date: 2016-10-27 19:07:14.893233+00:00
Changed-By: Martin Pitt <martin.p...@ubuntu.com>
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